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Solve x^2 + 2x + 5 = 0.

 Jun 9, 2020
 #1
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Use Quadratic Formula

\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)      a = 1    b=2    c= 5

 

 

\(x = {-2 \pm \sqrt{2^2-4(1)(5)} \over 2(1)}\)    =   .....................

 Jun 9, 2020

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